Home / 4,949.60-7,367.84-4,875.78

Finding the Fourth Proportional to 4,949.60, 7,367.84 and 4,875.78

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Solution

The fourth proportional to 4,949.60, 7,367.84 and 4,875.78 is: 7,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.60 : 7,367.84 = 4,875.78 : x
  2. Step 2: Convert to fraction form
    4,949.60/7,367.84 = 4,875.78/x
  3. Step 3: Cross multiply
    4,949.60x = 7,367.84 × 4,875.78
  4. Step 4: Simplify right side
    4,949.60x = 35,923,966.92
  5. Step 5: Solve for x
    x = 35,923,966.92/4,949.60
  6. Step 6: Final answer
    x = 7,257.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.